Toub reports that roughly 430,000 lines of production TypeScript passed through the port, and that by August 21 the runtime stood at 832,378 lines of production Rust plus 468,689 lines of Rust unit tests. It was done in place on the main…
In the News: September 20, 2026 (Morning)
GitHub rewrote the Copilot agent runtime into 832,378 lines of Rust using its own agents, for about $120,000 in tokens and three weeks of one developer.
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GitHub ported the Copilot agent runtime to Rust with agents, and published the bill
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